His base are the 0.01%. They could end this tomorrow by phoning their pet senators and having a quiet word.
The people on the front lines - including the ICE thugs - are entirely disposable. They people using them have zero interest in their welfare or how this works out for them in the long term. (Spoilers - not well.)
Of course they don't understand this. But this is absolutely standard for authoritarian fascism - groom and grudge farm the petty criminals and deviants, recruit them as regime enforcers with promises of money and freedom from consequences, set them loose, profit.
And propaganda is multi-generational; these people have been eating their own filth for decades and have no idea.
If money could buy politicians they would be a lot better behaved than they are